LOADS OF GOOD REASONS TO CHANGE THIS FILTER YEARLY - TRAPS POLLEN, DUST, DEBRIS, OUTSIDE POLLUTION, AND PREVENTS REDUCED EFFICIENCY ON THE HVAC UNIT AND ENGINE
AS WELL AS ENHANCING THE INTERIOR CABIN AIR AND SMELL

THE FILTER CAN BE FOUND UNDER THE PASSENGER BLOWER ASSY BEHIND THE GLOVEBOX
THERE ARE SOME GREAT YOU TUBE VIDEOS SHOWING EXACTLY HOW TO EASILY REPLACE THIS PART